23011078 Spindle,Intermediate-Range Planetary Pinion Allison spare parts

23011078 Spindle,Intermediate-Range Planetary Pinion Allison spare parts

The Allison 23011078 Spindle, Intermediate-Range Planetary Pinion, is specifically designed for Allison automatic transmissions used in heavy-duty commercial vehicles, engineering vehicles, and special vehicles. It is primarily compatible with Allison 5000/6000 series automatic transmissions and is widely used in various scenarios that rely on stable power transmission, such as long-haul trucks, public buses, and construction machinery. It perfectly meets the core needs of repair shops, parts dealers, fleet maintenance, and engineering equipment maintenance, providing a superior solution for resolving planetary gear slippage, shaft wear, and uneven power transmission.

This product strictly adheres to Allison’s stringent production standards, inheriting the brand’s technological advantages in the field of heavy-duty automatic transmissions. It is precision forged from high-strength alloy steel, resulting in significantly improved tensile strength, bending resistance, and wear resistance compared to ordinary shaft components. It can easily withstand the radial and axial loads of planetary gear mechanisms operating at high speeds, perfectly matching the compact structure and torque-changing requirements of AT transmission planetary gears. The surface undergoes precision grinding, high-frequency quenching, and anti-corrosion and rust-proofing treatment, effectively resisting corrosion from internal hydraulic oil and high-temperature wear, while also reducing frictional losses between the shaft and planetary gears. This ensures smooth rotation and revolution of the planetary gears, significantly extending the service life of the components and reducing subsequent maintenance costs and downtime losses.

Core technical parameters:

– Product Model: Allison 23011078
– Product Name: Spindle, Intermediate-Range Planetary Pinion
– Compatible transmission: Allison 5000/6000 series automatic transmission (compatible with 5-speed and 6-speed models manufactured after 2005)
– Material specifications: High-strength alloy steel forging, base material tensile strength ≥450MPa, hardness HRC 38-42, axial surface hardness ≥HRC 60
– Working load: Normal radial load ≤8500N, axial load ≤3200N
– Operating temperature: -40℃~160℃
– Core dimensions: Shaft diameter Φ38mm, shaft length 126mm, positioning step diameter Φ45mm
– Machining accuracy: Surface roughness Ra≤0.8μm, coaxiality≤0.015mm
– Surface treatment: Precision grinding + high-frequency quenching + cathodic electrophoresis anti-corrosion treatment, achieving an IP67 corrosion resistance rating.

The Allison 23011078 intermediate planetary pinion shaft boasts irreplaceable advantages in precision, durability, and adaptability. Its precise grinding and high-strength materials ensure a perfect fit with the planetary gears and carriers, preventing issues such as gear slippage, abnormal noise, and power loss caused by shaft wear and coaxiality misalignment. This also reduces maintenance frequency and downtime, providing fleet maintenance, repair shops, and engineering equipment maintenance with a cost-effective and reliable spare part option, helping to improve operational efficiency. As a core supporting component of the planetary gear mechanism, its stability directly determines the shifting performance of the intermediate gear in the transmission, and is crucial for ensuring the efficient operation of the automatic transmission.

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